Is used as an airborne radar interrogator of the “Parole” state identification system. Operates together with airborne radar systems. Its construction comprises following self-contained blocks: transmit-receiver, range measuring, data evaluation, power supplies, control panels, side lobe suppression. Article 6231R and its modifications are installed on SU-27 (10SК and 10UBК) aircrafts, etc.

Main technical characteristics:

Two operation modes: general and individual recognition. On-board automated control of the article’s operational capability.